/Engine/Source/Runtime/Core/Public/Math/ClipProjectionMatrix.h
Realigns the near plane for an existing projection matrix with an arbitrary clip plane from:http://sourceforge.net/mailarchive/message.php?msg_id=000901c26324%242181ea90%24a1e93942%40fireflyUpdated for the fact that our FPlane uses Ax+By+Cz=D.
template<typename T> struct TClipProjectionMatrix : public [UE::Math::TMatrix< T >](API\Runtime\Core\Math\TMatrix)